01398agm a2200313u 4500 995744260102311 20260227104059.0 mrucaaad 830705s1982 ilu018 e 0mleng c 82701098 /F For sale ( 335.00) or rent ( 20.00) (TU)000574426UTK01 604249 (OCoLC)09476701 CINE DLC TKN TKNk GB1004.2 .G7 Groundwater [motion picture] / Encyclopaedia Britannica Educational Corporation ; producer, director, Bert Van Bork ; writer, James Clark. Chicago, Ill. : The Corporation, 1982. 1 film reel (18 min.) : sd., col. ; 16 mm. + 1 guide. Title from data sheet. Intended audience: Ages 14 through adult. Issued also as videorecording. Camera, editor, Bert Van Bork. Explains how groundwater originates and illustrates various forms in which it occurs. Uses animated sequences to show geological formations that result from erosion or deposition of groundwater, the properties that characterize good aquifers, and the importance of groundwater as a natural resource. Hydrogeology. Encyclopaedia Britannica Educational Corporation. 194 194